Finding the Fourth Proportional to 279,110.68, 384,977.58 and 183,586.84
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Solution
The fourth proportional to 279,110.68, 384,977.58 and 183,586.84 is: 253,221.47
Step by Step Solution
- Step 1: Write the proportion equation
279,110.68 : 384,977.58 = 183,586.84 : x - Step 2: Convert to fraction form
279,110.68/384,977.58 = 183,586.84/x - Step 3: Cross multiply
279,110.68x = 384,977.58 × 183,586.84 - Step 4: Simplify right side
279,110.68x = 70,676,817,383.05 - Step 5: Solve for x
x = 70,676,817,383.05/279,110.68 - Step 6: Final answer
x = 253,221.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.